Santrock, John W. <br/><br/>
Life-span development / 
John W. Santrock. 
 - 6th ed. 
 - Madison, WI. :  Brown & Benchmark,  1997. 
 - 705 p. :  ill. ;  28 cm. 
<br/><br/>p. 639-681. 
<br/><br/><label>ISBN: </label>0697235831  RM147.63 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology.<br/>Life cycle, Human.